(19)

(11)

EP 1 036 366 A2

(12)

(88) Date of publication A3: 13.04.2000 (43) Date of publication: 20.09.2000 Bulletin 2000/38 (21) Application number: 99921074.3 (22) Date of filing: 03.06.1999

(51) International Patent Classification (IPC)7: G06F 17/30 (86) International application number: PCT/IB9901/008 (87) International publication number: WO 9967/695 (29.12.1999 Gazette 1999/52)

(84) Designated Contracting States: DE FR GB (30) Priority: 22.06.1998 US 102474 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: ABDEL-MOTTALEB, Mohammed, S. NL-5656 AA Eindhoven (NL) KRISHNAMACHARI, Santhana NL-5656 AA Eindhoven (NL) (74) Representative: Gravendeel, Cornelis  Internationaal Octrooibureau B.V.Prof. Holstlaan 6 5656 AA Eindhoven 5656 AA Eindhoven (NL)